Home / 9,001.80-12,421.92-4,968.36

Finding the Fourth Proportional to 9,001.80, 12,421.92 and 4,968.36

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Solution

The fourth proportional to 9,001.80, 12,421.92 and 4,968.36 is: 6,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.80 : 12,421.92 = 4,968.36 : x
  2. Step 2: Convert to fraction form
    9,001.80/12,421.92 = 4,968.36/x
  3. Step 3: Cross multiply
    9,001.80x = 12,421.92 × 4,968.36
  4. Step 4: Simplify right side
    9,001.80x = 61,716,570.45
  5. Step 5: Solve for x
    x = 61,716,570.45/9,001.80
  6. Step 6: Final answer
    x = 6,856.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.